true "one" 2 (3, 4) [5, 6] {"key", <"value">} {"GLib": "2.24", "Gtk": "4.16"} [just "2", nothing] Test menu Option 1 app.test_menu.set_action 1 Option 2 app.test_menu.set_action 2 Option 3 app.test_menu.set_action 3 Option 4 app.test_menu.set_action 4